*SUPPORT*
IN: wif wif zup blicket OUT: PURPLE PURPLE PINK
IN: lug OUT: GREEN
IN: wif zup lug dax blicket tufa lug OUT: GREEN PINK PURPLE GREEN PINK GREEN
IN: wif tufa blicket zup blicket OUT: PINK PURPLE PINK PINK
IN: wif fep fep zup fep OUT: PURPLE RED RED RED
IN: fep fep lug OUT: RED RED GREEN
IN: fep dax blicket tufa blicket OUT: PINK PINK RED PINK PINK
IN: lug wif OUT: GREEN PURPLE
IN: wif blicket blicket tufa fep OUT: RED PURPLE PINK PINK RED
IN: blicket wif zup fep zup fep tufa fep OUT: RED PINK PURPLE RED RED RED
IN: blicket OUT: PINK
IN: blicket fep zup wif OUT: PINK RED PURPLE
IN: wif OUT: PURPLE
IN: blicket tufa lug OUT: GREEN PINK GREEN

*QUERY*
IN: fep fep dax fep OUT: RED RED RED RED
IN: wif dax fep OUT: RED PURPLE RED
IN: blicket tufa blicket OUT: PINK PINK PINK
IN: fep zup blicket zup blicket tufa wif OUT: PURPLE RED PINK PINK PURPLE
IN: fep tufa fep tufa blicket tufa fep OUT: RED PINK RED RED RED PINK RED
IN: fep zup wif OUT: RED PURPLE
IN: lug zup lug zup wif dax fep blicket OUT: RED PINK GREEN GREEN PURPLE RED PINK
IN: fep zup wif dax lug OUT: GREEN RED PURPLE GREEN
IN: lug lug OUT: GREEN GREEN
IN: fep fep blicket tufa wif tufa fep OUT: RED PURPLE RED RED PINK PURPLE RED

*GRAMMAR*
blicket -> PINK 
 wif -> PURPLE 
 lug -> GREEN 
 fep -> RED 
 x1 tufa u1 -> [u1] [x1] [u1] 
 x1 dax x2 -> [x2] [x1] [x2] 
 x1 zup u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 